Meanwhile 1500 km from Ukraine....
The excerpt describes a Ukrainian drone that attacked the "Salavatnefteorgsintez" in Bashkortostan. The drone's wing span is approximately three meters wide. A video shows the drone flying over the company's territory a minute before being destroyed. The drone is reported to have traveled up to 1,500 km
And just a bit closer...
https://t.me/astrapress/55058On May 10, 2024, drones are reported to have attacked the "First Refinery" in Kaluga Region, according to local residents.

Meanwhile at Harkov... Avdiivka fell much earlier than expected, and it was a fortified city that the Ukrainians started to fortify there in 2014.
The Russians have been grinding the entire area around Harkov for several months, all strategic or important objectives are already destroyed.